6463356025 has 27 divisors (see below), whose sum is σ = 9327121869. Its totient is φ = 4430086080.

The previous prime is 6463356001. The next prime is 6463356041. The reversal of 6463356025 is 5206533646.

The square root of 6463356025 is 80395.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 188815081 + 6274540944 = 13741^2 + 79212^2 .

It is not a de Polignac number, because 6463356025 - 2⁷ = 6463355897 is a prime.

It is a super-2 number, since 2×6463356025² = 83549942211807601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2812677 + ... + 2814973.

Almost surely, 2^6463356025 is an apocalyptic number.

6463356025 is the 80395-th square number.

6463356025 is the 40198-th centered octagonal number.

It is an amenable number.

6463356025 is a deficient number, since it is larger than the sum of its proper divisors (2863765844).

6463356025 is an frugal number, since it uses more digits than its factorization.

6463356025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The cubic root of 6463356025 is about 1862.7419405536.

The spelling of 6463356025 in words is "six billion, four hundred sixty-three million, three hundred fifty-six thousand, twenty-five".